js 对象与 queryString 相互转换

对象转queryString

(new URLSearchParams(obj)).toString()

queryString 转对象

const getQueryObj = () => {
  const query = window.location.href.split('?')[1]
  if (!query) return {}
  const obj = {}
  query.split('&').forEach(q => {
    const item = q.split('=')
    obj[item[0]] = item[1] 
  })
  return obj
}